header {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 100vh;
    background: none 0 0 no-repeat;
    background-size: cover;
    background-position: center center;

    &:before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        z-index: 1;
        width: 100%;
        height: 100%;
        display: block;
        @include background-image(linear-gradient(top,  rgba(0,0,0,0) 0%, rgba(0,0,0,0.7) 100%));
    }

    nav {
        @include box-sizing(border-box);
        text-align: left;
        margin-top: 15px;
        @include transition(background-color 100ms ease-out);
        position: relative;
        z-index: 10000;

        .container {
            padding: 27px 0;
        }

        li {
            margin-right: 30px;

            &.logo {
                @include transition(margin 300ms ease-in-out);
                margin-right: 0;

                a {
                    @include transition(width 300ms ease-in-out);
                    display: block;
                    margin-top: -2px;
                    @include common-sprite(logo-small, $dimensions: true);
                    width: 0;
                    overflow: hidden;
                }
            }

            a {
                font-size: 16px;
                color: #fff;
                @include text-shadow(0px 0px 5px rgba(0, 0, 0, 0.75));
            }
        }

        &.static {
            position: fixed;
            top: 0;
            width: 100%;
            height: 70px;
            margin-top: 0;
        }

        &.opaque {
            background-color: #282828;
            @include box-shadow(0 3px 0 0 #ccc);

            li.logo {
                margin-right: 30px;

                a {
                    width: common-sprite-width(logo-small);
                }
            }
        }
    }

    .main {
        position: absolute;
        width: 100%;
        top: 50%;
        left: 0;
        margin-top: -80px;
        height: 160px;
        text-align: center;
        z-index: 1000;

        .breakpoint-1 & {
            opacity: 1 !important;
        }

        .logo {
            @include common-sprite(logo, $dimensions: true);
            margin: 0 auto 20px;
        }

        .logo-mobile {
            @include common-sprite(logo-mobile, $dimensions: true);
            display: none;
            margin: 0 auto 20px;
        }

        .banner {
            width: 390px;
            margin: 0 auto;
            font-size: 26px;
            line-height: 1.23;
            letter-spacing: -0.5px;
            color: #fff;
            font-style: italic;
            @include text-shadow(0px 0px 5px rgba(0, 0, 0, 0.75));
        }
    }

    .learn-more {
        position: absolute;
        bottom: 30px;
        left: 0;
        width: 100%;
        text-align: center;
        font-size: 11px;
        color: #fff;
        @include text-shadow(0px 0px 5px rgba(0, 0, 0, 0.75));
        z-index: 1000;

        .breakpoint-1 & {
            opacity: 1 !important;
        }

        &:before {
            content: '';
            position: absolute;
            bottom: 10px;
            left: 50%;
            display: none;
            @include common-sprite(mobile-arrow-down, $dimensions: true);
            margin: 13px auto 0;
            margin-left: -1 * common-sprite-width(mobile-arrow-down) / 2;
        }

        &:after {
            content: '';
            display: block;
            @include common-sprite(arrow, $dimensions: true);
            margin: 13px auto 0;
        }
    }

    @include breakpoint-mobile {
        nav {
            display: none;
        }

        .main {
            .logo {
                display: none;
            }

            .logo-mobile {
                display: block;
            }

            .banner {
                font-size: 16px;
                line-height: 1.25;
                width: 250px;
            }
        }

        .learn-more {
            font-size: 10px;
            padding-bottom: 36px;

            &:before {
                display: block;
            }

            &:after {
                display: none;
            }
        }
    }
}
